O,o:MYSQLND_DEBUG_FLUSHA,a:MYSQLND_DEBUG_APPENDF:MYSQLND_DEBUG_DUMP_FILEL:MYSQLND_DEBUG_DUMP_LINEm:MYSQLND_DEBUG_TRACE_MEMORY_CALLSn:MYSQLND_DEBUG_DUMP_LEVELo:output to fileT:MYSQLND_DEBUG_DUMP_TIMEt:MYSQLND_DEBUG_DUMP_TRACEx:MYSQLND_DEBUG_PROFILE_CALLSf:? still investigating